Correlated production of p and p¯ in Au+Au collisions at sNN=200 GeV
Correlations between p and p¯ at transverse momenta typical of enhanced baryon production in Au+Au collisions are reported. The PHENIX experiment has measured same and opposite sign baryon pairs in Au+Au collisions at sNN=200 GeV. Correlated production of p and p¯ with the trigger particle from the...
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| Veröffentlicht in: | Physics letters. B 2007-06, Vol.649 (5-6), p.359-369 |
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| creator | Aidala, C. Akiba, Y. Asai, J. Baksay, G. Baldisseri, A. Barnes, P.D. Bassalleck, B. Baublis, V. Bennett, R. Bickley, A.A. Bjorndal, M.T. Boissevain, J.G. Borel, H. Brooks, M.L. Butsyk, S. Campbell, S. Chai, J.-S. Chiu, M. Choi, I.J. Churyn, A. Cleven, C.R. Constantin, P. Deaton, M.B. Dietzsch, O. Drapier, O. Dubey, A.K. Fokin, S.L. Frantz, J.E. Fujiwara, K. Gastineau, F. Gong, H. Gosset, J. Goto, Y. Grau, N. Grosse Perdekamp, M. Gunji, T. Gustafsson, H.Å. Hamagaki, H. He, X. Hong, B. Hornback, D. Inaba, M. Issah, M. Jacak, B.V. Johnson, B.M. Joo, K.S. Kajihara, F. Kaneta, M. Kang, J.H. Kanou, H. Klein-Boesing, C. Komkov, B. Kravitz, A. Kurita, K. Lacey, R. Lai, Y.-S. Lebedev, A. Le Bornec, Y. Lenzi, B. Lynch, D. Malakhov, A. Milov, A. Morreale, A. Moss, J.M. Moukhanova, T.V. Murata, J. Nagamiya, S. Nakamura, T. Nguyen, M. Ogilvie, C.A. Okada, H. Okada, K. Omiwade, O.O. Ouchida, M. Papavassiliou, V. Reuter, M. Reygers, K. Rosati, M. Rosendahl, S.S.E. Rukoyatkin, P. Sakaguchi, T. Sakata, H. Sato, S. Shea, T.K. Shevel, A. Shoji, K. Silvermyr, D. Silvestre, C. Singh, C.P. Soltz, R.A. Taketani, A. Thomas, T.L. Togawa, M. Tserruya, I. White, S.N. Xie, W. Yushmanov, I.E. Zaudtke, O. Zhou, S. Zimányi, J. |
| description | Correlations between p and p¯ at transverse momenta typical of enhanced baryon production in Au+Au collisions are reported. The PHENIX experiment has measured same and opposite sign baryon pairs in Au+Au collisions at sNN=200 GeV. Correlated production of p and p¯ with the trigger particle from the range 2.5 |
| doi_str_mv | 10.1016/j.physletb.2007.04.029 |
| format | Article |
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The PHENIX experiment has measured same and opposite sign baryon pairs in Au+Au collisions at sNN=200 GeV. Correlated production of p and p¯ with the trigger particle from the range 2.5<pT<4.0 GeV/c and the associated particle with 1.8<pT<2.5 GeV/c is observed to be nearly independent of the centrality of the collisions. Same sign pairs show no correlation at any centrality. The conditional yield of mesons triggered by baryons (and anti-baryons) and mesons in the same pT range rises with increasing centrality, except for the most central collisions, where baryons show a significantly smaller number of associated mesons. These data are consistent with a picture in which hard scattered partons produce correlated p and p¯ in the pT region of the baryon excess.</description><identifier>ISSN: 0370-2693</identifier><identifier>EISSN: 1873-2445</identifier><identifier>DOI: 10.1016/j.physletb.2007.04.029</identifier><identifier>CODEN: PYLBAJ</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Exact sciences and technology ; Nuclear physics ; Physics ; The physics of elementary particles and fields</subject><ispartof>Physics letters. 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K.</creatorcontrib><creatorcontrib>Omiwade, O.O.</creatorcontrib><creatorcontrib>Ouchida, M.</creatorcontrib><creatorcontrib>Papavassiliou, V.</creatorcontrib><creatorcontrib>Reuter, M.</creatorcontrib><creatorcontrib>Reygers, K.</creatorcontrib><creatorcontrib>Rosati, M.</creatorcontrib><creatorcontrib>Rosendahl, S.S.E.</creatorcontrib><creatorcontrib>Rukoyatkin, P.</creatorcontrib><creatorcontrib>Sakaguchi, T.</creatorcontrib><creatorcontrib>Sakata, H.</creatorcontrib><creatorcontrib>Sato, S.</creatorcontrib><creatorcontrib>Shea, T.K.</creatorcontrib><creatorcontrib>Shevel, A.</creatorcontrib><creatorcontrib>Shoji, K.</creatorcontrib><creatorcontrib>Silvermyr, D.</creatorcontrib><creatorcontrib>Silvestre, C.</creatorcontrib><creatorcontrib>Singh, C.P.</creatorcontrib><creatorcontrib>Soltz, R.A.</creatorcontrib><creatorcontrib>Taketani, A.</creatorcontrib><creatorcontrib>Thomas, T.L.</creatorcontrib><creatorcontrib>Togawa, M.</creatorcontrib><creatorcontrib>Tserruya, I.</creatorcontrib><creatorcontrib>White, S.N.</creatorcontrib><creatorcontrib>Xie, W.</creatorcontrib><creatorcontrib>Yushmanov, I.E.</creatorcontrib><creatorcontrib>Zaudtke, O.</creatorcontrib><creatorcontrib>Zhou, S.</creatorcontrib><creatorcontrib>Zimányi, J.</creatorcontrib><creatorcontrib>PHENIX Collaboration</creatorcontrib><title>Correlated production of p and p¯ in Au+Au collisions at sNN=200 GeV</title><title>Physics letters. B</title><description>Correlations between p and p¯ at transverse momenta typical of enhanced baryon production in Au+Au collisions are reported. The PHENIX experiment has measured same and opposite sign baryon pairs in Au+Au collisions at sNN=200 GeV. Correlated production of p and p¯ with the trigger particle from the range 2.5<pT<4.0 GeV/c and the associated particle with 1.8<pT<2.5 GeV/c is observed to be nearly independent of the centrality of the collisions. Same sign pairs show no correlation at any centrality. The conditional yield of mesons triggered by baryons (and anti-baryons) and mesons in the same pT range rises with increasing centrality, except for the most central collisions, where baryons show a significantly smaller number of associated mesons. These data are consistent with a picture in which hard scattered partons produce correlated p and p¯ in the pT region of the baryon excess.</description><subject>Exact sciences and technology</subject><subject>Nuclear physics</subject><subject>Physics</subject><subject>The physics of elementary particles and fields</subject><issn>0370-2693</issn><issn>1873-2445</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNo1kNFKwzAYhYMoOKevILnxSlr_JG2aXAiO4aYw5s3wNqRJihm1LUkn7G18A99hT2bG9OrAfw7_OXwI3RLICRD-sM2Hj31s3VjnFKDKociByjM0IaJiGS2K8hxNgFWQUS7ZJbqKcQsApAQ-QYt5H4Jr9egsHkJvd2b0fYf7Bg9Yd-l2-MG-w7Pd_WyHTd-2PiY_Yj3iuF4_psLD99K9X6OLRrfR3fzpFG0Wz5v5S7Z6W77OZ6vMiarILGXcCFfVtmhILRoqpSRlw4SVJaeGMW6pdEVZ0dJpI4S1jT4Or4FbVmnJpuju9HbQ0ei2CbozPqoh-E8d9ooIQSAVpdzTKefSli_vgorGu84464Mzo7K9VwTUEZ_aqn986ohPQaESPvYLKc1mbw</recordid><startdate>20070614</startdate><enddate>20070614</enddate><creator>Aidala, 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J.</creator><general>Elsevier B.V</general><general>Elsevier Science</general><scope>IQODW</scope></search><sort><creationdate>20070614</creationdate><title>Correlated production of p and p¯ in Au+Au collisions at sNN=200 GeV</title><author>Aidala, C. ; Akiba, Y. ; Asai, J. ; Baksay, G. ; Baldisseri, A. ; Barnes, P.D. ; Bassalleck, B. ; Baublis, V. ; Bennett, R. ; Bickley, A.A. ; Bjorndal, M.T. ; Boissevain, J.G. ; Borel, H. ; Brooks, M.L. ; Butsyk, S. ; Campbell, S. ; Chai, J.-S. ; Chiu, M. ; Choi, I.J. ; Churyn, A. ; Cleven, C.R. ; Constantin, P. ; Deaton, M.B. ; Dietzsch, O. ; Drapier, O. ; Dubey, A.K. ; Fokin, S.L. ; Frantz, J.E. ; Fujiwara, K. ; Gastineau, F. ; Gong, H. ; Gosset, J. ; Goto, Y. ; Grau, N. ; Grosse Perdekamp, M. ; Gunji, T. ; Gustafsson, H.Å. ; Hamagaki, H. ; He, X. ; Hong, B. ; Hornback, D. ; Inaba, M. ; Issah, M. ; Jacak, B.V. ; Johnson, B.M. ; Joo, K.S. ; Kajihara, F. ; Kaneta, M. ; Kang, J.H. ; Kanou, H. ; Klein-Boesing, C. ; Komkov, B. ; Kravitz, A. ; Kurita, K. ; Lacey, R. ; Lai, Y.-S. ; Lebedev, A. ; Le Bornec, Y. ; Lenzi, B. ; Lynch, D. ; Malakhov, A. ; Milov, A. ; Morreale, A. ; Moss, J.M. ; Moukhanova, T.V. ; Murata, J. ; Nagamiya, S. ; Nakamura, T. ; Nguyen, M. ; Ogilvie, C.A. ; Okada, H. ; Okada, K. ; Omiwade, O.O. ; Ouchida, M. ; Papavassiliou, V. ; Reuter, M. ; Reygers, K. ; Rosati, M. ; Rosendahl, S.S.E. ; Rukoyatkin, P. ; Sakaguchi, T. ; Sakata, H. ; Sato, S. ; Shea, T.K. ; Shevel, A. ; Shoji, K. ; Silvermyr, D. ; Silvestre, C. ; Singh, C.P. ; Soltz, R.A. ; Taketani, A. ; Thomas, T.L. ; Togawa, M. ; Tserruya, I. ; White, S.N. ; Xie, W. ; Yushmanov, I.E. ; Zaudtke, O. ; Zhou, S. ; Zimányi, J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-e874-d236c8e7bd4f1b8f299915f38d9562c336d29e45725eac88ddfa0370b06d37a93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Exact sciences and technology</topic><topic>Nuclear physics</topic><topic>Physics</topic><topic>The physics of elementary particles and fields</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Aidala, C.</creatorcontrib><creatorcontrib>Akiba, Y.</creatorcontrib><creatorcontrib>Asai, J.</creatorcontrib><creatorcontrib>Baksay, G.</creatorcontrib><creatorcontrib>Baldisseri, A.</creatorcontrib><creatorcontrib>Barnes, P.D.</creatorcontrib><creatorcontrib>Bassalleck, B.</creatorcontrib><creatorcontrib>Baublis, V.</creatorcontrib><creatorcontrib>Bennett, R.</creatorcontrib><creatorcontrib>Bickley, A.A.</creatorcontrib><creatorcontrib>Bjorndal, M.T.</creatorcontrib><creatorcontrib>Boissevain, J.G.</creatorcontrib><creatorcontrib>Borel, H.</creatorcontrib><creatorcontrib>Brooks, M.L.</creatorcontrib><creatorcontrib>Butsyk, S.</creatorcontrib><creatorcontrib>Campbell, S.</creatorcontrib><creatorcontrib>Chai, J.-S.</creatorcontrib><creatorcontrib>Chiu, M.</creatorcontrib><creatorcontrib>Choi, I.J.</creatorcontrib><creatorcontrib>Churyn, A.</creatorcontrib><creatorcontrib>Cleven, C.R.</creatorcontrib><creatorcontrib>Constantin, P.</creatorcontrib><creatorcontrib>Deaton, M.B.</creatorcontrib><creatorcontrib>Dietzsch, O.</creatorcontrib><creatorcontrib>Drapier, O.</creatorcontrib><creatorcontrib>Dubey, A.K.</creatorcontrib><creatorcontrib>Fokin, S.L.</creatorcontrib><creatorcontrib>Frantz, J.E.</creatorcontrib><creatorcontrib>Fujiwara, K.</creatorcontrib><creatorcontrib>Gastineau, F.</creatorcontrib><creatorcontrib>Gong, H.</creatorcontrib><creatorcontrib>Gosset, J.</creatorcontrib><creatorcontrib>Goto, Y.</creatorcontrib><creatorcontrib>Grau, N.</creatorcontrib><creatorcontrib>Grosse Perdekamp, M.</creatorcontrib><creatorcontrib>Gunji, T.</creatorcontrib><creatorcontrib>Gustafsson, H.Å.</creatorcontrib><creatorcontrib>Hamagaki, H.</creatorcontrib><creatorcontrib>He, X.</creatorcontrib><creatorcontrib>Hong, B.</creatorcontrib><creatorcontrib>Hornback, D.</creatorcontrib><creatorcontrib>Inaba, M.</creatorcontrib><creatorcontrib>Issah, M.</creatorcontrib><creatorcontrib>Jacak, B.V.</creatorcontrib><creatorcontrib>Johnson, B.M.</creatorcontrib><creatorcontrib>Joo, K.S.</creatorcontrib><creatorcontrib>Kajihara, F.</creatorcontrib><creatorcontrib>Kaneta, M.</creatorcontrib><creatorcontrib>Kang, J.H.</creatorcontrib><creatorcontrib>Kanou, H.</creatorcontrib><creatorcontrib>Klein-Boesing, C.</creatorcontrib><creatorcontrib>Komkov, B.</creatorcontrib><creatorcontrib>Kravitz, A.</creatorcontrib><creatorcontrib>Kurita, K.</creatorcontrib><creatorcontrib>Lacey, R.</creatorcontrib><creatorcontrib>Lai, Y.-S.</creatorcontrib><creatorcontrib>Lebedev, A.</creatorcontrib><creatorcontrib>Le Bornec, Y.</creatorcontrib><creatorcontrib>Lenzi, B.</creatorcontrib><creatorcontrib>Lynch, D.</creatorcontrib><creatorcontrib>Malakhov, A.</creatorcontrib><creatorcontrib>Milov, A.</creatorcontrib><creatorcontrib>Morreale, A.</creatorcontrib><creatorcontrib>Moss, J.M.</creatorcontrib><creatorcontrib>Moukhanova, T.V.</creatorcontrib><creatorcontrib>Murata, J.</creatorcontrib><creatorcontrib>Nagamiya, S.</creatorcontrib><creatorcontrib>Nakamura, T.</creatorcontrib><creatorcontrib>Nguyen, M.</creatorcontrib><creatorcontrib>Ogilvie, C.A.</creatorcontrib><creatorcontrib>Okada, H.</creatorcontrib><creatorcontrib>Okada, K.</creatorcontrib><creatorcontrib>Omiwade, O.O.</creatorcontrib><creatorcontrib>Ouchida, M.</creatorcontrib><creatorcontrib>Papavassiliou, V.</creatorcontrib><creatorcontrib>Reuter, M.</creatorcontrib><creatorcontrib>Reygers, K.</creatorcontrib><creatorcontrib>Rosati, M.</creatorcontrib><creatorcontrib>Rosendahl, S.S.E.</creatorcontrib><creatorcontrib>Rukoyatkin, P.</creatorcontrib><creatorcontrib>Sakaguchi, T.</creatorcontrib><creatorcontrib>Sakata, H.</creatorcontrib><creatorcontrib>Sato, S.</creatorcontrib><creatorcontrib>Shea, T.K.</creatorcontrib><creatorcontrib>Shevel, A.</creatorcontrib><creatorcontrib>Shoji, K.</creatorcontrib><creatorcontrib>Silvermyr, D.</creatorcontrib><creatorcontrib>Silvestre, C.</creatorcontrib><creatorcontrib>Singh, C.P.</creatorcontrib><creatorcontrib>Soltz, R.A.</creatorcontrib><creatorcontrib>Taketani, A.</creatorcontrib><creatorcontrib>Thomas, T.L.</creatorcontrib><creatorcontrib>Togawa, M.</creatorcontrib><creatorcontrib>Tserruya, I.</creatorcontrib><creatorcontrib>White, S.N.</creatorcontrib><creatorcontrib>Xie, W.</creatorcontrib><creatorcontrib>Yushmanov, I.E.</creatorcontrib><creatorcontrib>Zaudtke, O.</creatorcontrib><creatorcontrib>Zhou, S.</creatorcontrib><creatorcontrib>Zimányi, J.</creatorcontrib><creatorcontrib>PHENIX Collaboration</creatorcontrib><collection>Pascal-Francis</collection><jtitle>Physics letters. B</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Aidala, C.</au><au>Akiba, Y.</au><au>Asai, J.</au><au>Baksay, G.</au><au>Baldisseri, A.</au><au>Barnes, P.D.</au><au>Bassalleck, B.</au><au>Baublis, V.</au><au>Bennett, R.</au><au>Bickley, A.A.</au><au>Bjorndal, M.T.</au><au>Boissevain, J.G.</au><au>Borel, H.</au><au>Brooks, M.L.</au><au>Butsyk, S.</au><au>Campbell, S.</au><au>Chai, J.-S.</au><au>Chiu, M.</au><au>Choi, I.J.</au><au>Churyn, A.</au><au>Cleven, C.R.</au><au>Constantin, P.</au><au>Deaton, M.B.</au><au>Dietzsch, O.</au><au>Drapier, O.</au><au>Dubey, A.K.</au><au>Fokin, S.L.</au><au>Frantz, J.E.</au><au>Fujiwara, K.</au><au>Gastineau, F.</au><au>Gong, H.</au><au>Gosset, J.</au><au>Goto, Y.</au><au>Grau, N.</au><au>Grosse Perdekamp, M.</au><au>Gunji, T.</au><au>Gustafsson, H.Å.</au><au>Hamagaki, H.</au><au>He, X.</au><au>Hong, B.</au><au>Hornback, D.</au><au>Inaba, M.</au><au>Issah, M.</au><au>Jacak, B.V.</au><au>Johnson, B.M.</au><au>Joo, K.S.</au><au>Kajihara, F.</au><au>Kaneta, M.</au><au>Kang, J.H.</au><au>Kanou, H.</au><au>Klein-Boesing, C.</au><au>Komkov, B.</au><au>Kravitz, A.</au><au>Kurita, K.</au><au>Lacey, R.</au><au>Lai, Y.-S.</au><au>Lebedev, A.</au><au>Le Bornec, Y.</au><au>Lenzi, B.</au><au>Lynch, D.</au><au>Malakhov, A.</au><au>Milov, A.</au><au>Morreale, A.</au><au>Moss, J.M.</au><au>Moukhanova, T.V.</au><au>Murata, J.</au><au>Nagamiya, S.</au><au>Nakamura, T.</au><au>Nguyen, M.</au><au>Ogilvie, C.A.</au><au>Okada, H.</au><au>Okada, K.</au><au>Omiwade, O.O.</au><au>Ouchida, M.</au><au>Papavassiliou, V.</au><au>Reuter, M.</au><au>Reygers, K.</au><au>Rosati, M.</au><au>Rosendahl, S.S.E.</au><au>Rukoyatkin, P.</au><au>Sakaguchi, T.</au><au>Sakata, H.</au><au>Sato, S.</au><au>Shea, T.K.</au><au>Shevel, A.</au><au>Shoji, K.</au><au>Silvermyr, D.</au><au>Silvestre, C.</au><au>Singh, C.P.</au><au>Soltz, R.A.</au><au>Taketani, A.</au><au>Thomas, T.L.</au><au>Togawa, M.</au><au>Tserruya, I.</au><au>White, S.N.</au><au>Xie, W.</au><au>Yushmanov, I.E.</au><au>Zaudtke, O.</au><au>Zhou, S.</au><au>Zimányi, J.</au><aucorp>PHENIX Collaboration</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Correlated production of p and p¯ in Au+Au collisions at sNN=200 GeV</atitle><jtitle>Physics letters. B</jtitle><date>2007-06-14</date><risdate>2007</risdate><volume>649</volume><issue>5-6</issue><spage>359</spage><epage>369</epage><pages>359-369</pages><issn>0370-2693</issn><eissn>1873-2445</eissn><coden>PYLBAJ</coden><abstract>Correlations between p and p¯ at transverse momenta typical of enhanced baryon production in Au+Au collisions are reported. The PHENIX experiment has measured same and opposite sign baryon pairs in Au+Au collisions at sNN=200 GeV. Correlated production of p and p¯ with the trigger particle from the range 2.5<pT<4.0 GeV/c and the associated particle with 1.8<pT<2.5 GeV/c is observed to be nearly independent of the centrality of the collisions. Same sign pairs show no correlation at any centrality. The conditional yield of mesons triggered by baryons (and anti-baryons) and mesons in the same pT range rises with increasing centrality, except for the most central collisions, where baryons show a significantly smaller number of associated mesons. These data are consistent with a picture in which hard scattered partons produce correlated p and p¯ in the pT region of the baryon excess.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.physletb.2007.04.029</doi><tpages>11</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0370-2693 |
| ispartof | Physics letters. B, 2007-06, Vol.649 (5-6), p.359-369 |
| issn | 0370-2693 1873-2445 |
| language | eng |
| recordid | cdi_pascalfrancis_primary_18810874 |
| source | Elsevier ScienceDirect Journals |
| subjects | Exact sciences and technology Nuclear physics Physics The physics of elementary particles and fields |
| title | Correlated production of p and p¯ in Au+Au collisions at sNN=200 GeV |
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